# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:        Young  
# Name:         demo3.10
# Description:
# Author:       asus
# Date:         2019/1/17
#-------------------------------------------------------------------------------


scope = {}
codes = ""
print(">>>",end="")
while True:
    code = input("")
    if code == "":
        eval(codes,scope)
        codes = ""
        print(">>>",end="")
        continue
    codes += code + "\n"